22020020020000 has 60 divisors (see below), whose sum is σ = 54172552301406. Its totient is φ = 8808008000000.

The previous prime is 22020020019929. The next prime is 22020020020013. The reversal of 22020020020000 is 2002002022.

It can be written as a sum of positive squares in 5 ways, for example, as 4761944467344 + 17258075552656 = 2182188^2 + 4154284^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 550480501 + ... + 550520500.

Almost surely, 2^{22020020020000} is an apocalyptic number.

22020020020000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22020020020000 is an abundant number, since it is smaller than the sum of its proper divisors (32152532281406).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22020020020000 is an equidigital number, since it uses as much as digits as its factorization.

22020020020000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101001031 (or 1101001008 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22020020020000 its reverse (2002002022), we get a palindrome (22022022022022).

The spelling of 22020020020000 in words is "twenty-two trillion, twenty billion, twenty million, twenty thousand".